Cooling leaks at hose to housing connections

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Originally Posted by Fitz98
I have 2 places on my 98 Expedition 5.4 where the cooling hoses connect to the metal housings and have very slow leaks, 1 drop over the course of minutes.
I am confident the hose clamps are tight.
I feel like there may be some pitting or minor corrosion on the metal parts contributing to this.
Any ideas what I can put on the metal housing connection points that could help create a more positive seal where the hose wraps over the metal?



You are confident the hose clamps are tight ? Have you checked with your own paws ?
 
Originally Posted by mattwithcats
Bar's leak tablets...

https://barsleaks.com/product/radiator-stop-leak-tablets-hdc/

GM put these in radiators at the factory, during the 90's and 2000's...


And those GM tablets combined with Dexcool caused clogging oatmeal in the system at the least, and a lot of replaced heater cores.

Bar's Leaks is a terrible band aid for the unknowing.
 
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